#div1{
	position: absolute;
	width:100px;
	height:100px;
	background-color: #FF0000;
	display: none;
}

#div2{
	position: absolute;
	width:100px;
	height:100px;
	background-color: #00FF00;
	display: none;
}

html, body{
	margin: 0px;
	padding: 0px;
}
